Home / 7,929.70-10,942.52-4,574.70

Finding the Fourth Proportional to 7,929.70, 10,942.52 and 4,574.70

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Solution

The fourth proportional to 7,929.70, 10,942.52 and 4,574.70 is: 6,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.70 : 10,942.52 = 4,574.70 : x
  2. Step 2: Convert to fraction form
    7,929.70/10,942.52 = 4,574.70/x
  3. Step 3: Cross multiply
    7,929.70x = 10,942.52 × 4,574.70
  4. Step 4: Simplify right side
    7,929.70x = 50,058,767.01
  5. Step 5: Solve for x
    x = 50,058,767.01/7,929.70
  6. Step 6: Final answer
    x = 6,312.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.